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प्रश्न
Name the nuclei involved in triple fusion.
उत्तर
The nuclei involved in this triple fusion are the two polar nuclei or secondary nucleus and the second male gamete.
संबंधित प्रश्न
Why do you think the zygote is dormant for sometime in a fertilised ovule?
Read the following statement and answer the questions that follow :
"A guava fruit has 200 viable seeds."
(a) What are viable seeds?
(b) Write the total number of :
(i) Pollen grains (ii) Gametes
in producing 200 viable guava seeds.
c) Prepare a flow-chart to depict the post-pollination events leading to viable-seed production in a flowering plant.
Differentiate between outbreeding and outcrossing.
What happens to the following after fertilization?
Calyx
What happens to the following after fertilization?
Petals
What are the advantages of the following in the flower to the plant concerned?
Fragrant nectar
What is ‘double fertilization’? Describe it with the help of a neat and well-labeled diagram. Give its importance.
Explain the pollination process in Salvia
Why fertilization process in angiosperms is called as double fertilization?
The correct order of haploid, diploid, and triploid structure in fertilized embryo sac is
Male gametes in angiosperms are formed by the division of ______.
In majority of plants pollen is liberated at
Explain the development of a Dicot embryo
Identify the function of filiform apparatus.
If the cells of the nucellus in the angiosperm ovule contain 24 chromosomes, then ____________ chromosomes will be present in the endosperm of a self-pollinated flower.
Double fertilization is characteristic of ______.
In ______ sepal is seen on the fruit after fertilization.
After fertilization, the seed coat of seeds develops from ______
Name the part of gynoecium that determines the compatible nature of pollen.
Which is the triploid tissue in a fertilised ovule? How is the triploid condition achieved?
